Graphical user interface for a display screen



A portion of the disclosure of this patent document contains material which is subject to copyright protection. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but otherwise reserves all copyright rights whatsoever.

The single FIGURE is a front view of a graphical user interface for a display screen; the broken line drawings of a display screen and volume controls are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a graphical user interface for a display screen, as shown and described. 